Assignee
GRACO INC
US182 patents
Top patents by PatentIndex Score
US5322221AJun 21, 1994
Air nozzle
GRACO INC139 citations98
US5368232ANov 29, 1994
Striping apparatus for vehicle travel surfaces
GRACO INC85 citations96
US4684064AAug 4, 1987
Centrifugal atomizer
GRACO INC69 citations96
US5441297AAug 15, 1995
Power unit cart
GRACO INC57 citations95
US5372389ADec 13, 1994
Nozzle swivel joint
GRACO INC182 citations95
US5218305AJun 8, 1993
Apparatus for transmitting electrostatic spray gun voltage and current values to remote location
GRACO INC85 citations95
US5145339ASep 8, 1992
Pulseless piston pump
GRACO INC78 citations95
US4725713AFeb 16, 1988
Electrically heated hose employing a hose simulator for temperature control
GRACO INC90 citations95
US4700741AOct 20, 1987
Ball check valve
GRACO INC64 citations95
US4501952AFeb 26, 1985
Electric fluid heater temperature control system providing precise control under varying conditions
GRACO INC76 citations95
US5220259AJun 15, 1993
Dc motor drive system and method
GRACO INC87 citations94
US4462061AJul 24, 1984
Air turbine drive for electrostatic spray gun
GRACO INC83 citations94
US4068982AJan 17, 1978
Charge control valve and piston assembly for diaphragm pump
GRACO INC57 citations94
US4019653AApr 26, 1977
Automatic proportioning paint spray system
GRACO INC95 citations94
US6811351B1Nov 2, 2004
Self aligning mechanical pointer
GRACO INC19 citations92
US6019294AFeb 1, 2000
Interchangeable feed airspray/HVLP spray gun
GRACO INC132 citations92
USD382500SAug 19, 1997
Dispensing meter
GRACO INC18 citations92
US5567130AOct 22, 1996
Reinforced cover configuration for a diaphragm pump
GRACO INC21 citations92
US5368452ANov 29, 1994
Double diaphragm pump having two-stage air valve actuator
GRACO INC59 citations92
US5346370ASep 13, 1994
Portable pumping system with generator powered clutch assembly
GRACO INC30 citations92
US5320280AJun 14, 1994
Pneumatically controlled spraying system having a diaphragm-operated switch
GRACO INC33 citations92
US5277099AJan 11, 1994
Reduced icing low friction air valve
GRACO INC29 citations92
US5161450ANov 10, 1992
Air motor with warm air introduction means to prevent freezing
GRACO INC25 citations92
US5093625AMar 3, 1992
Electrostatic spray gun voltage and current monitor with remote readout
GRACO INC25 citations92
US5080289AJan 14, 1992
Spraying voltage control with hall effect switches and magnet
GRACO INC45 citations92
US4978075ADec 18, 1990
Solvent resistant electrostatic spray gun
GRACO INC40 citations92
USD313064SDec 18, 1990
Electrostatic spray gun
GRACO INC36 citations92
US4790679ADec 13, 1988
Power paint brush with flow restrictor and removable brush head
GRACO INC43 citations92
US4676685AJun 30, 1987
Power brush coating applicator
GRACO INC27 citations92
US4660774AApr 28, 1987
Fluid nozzle locking mechanism
GRACO INC29 citations92
US4652024AMar 24, 1987
Telescoping handle and pressure liquid conduit
GRACO INC27 citations92
US4427153AJan 24, 1984
Plural component dispensing device
GRACO INC49 citations92
US4397610AAug 9, 1983
Reciprocable pump with variable speed drive
GRACO INC44 citations92
US4294408AOct 13, 1981
In centrifugal spray guns
GRACO INC53 citations92
US3957399AMay 18, 1976
Diaphragm pump
GRACO INC47 citations92
US3955763AMay 11, 1976
Rotatable spray nozzle
GRACO INC89 citations92
US3944141AMar 16, 1976
Spray gun shield and trigger safety apparatus
GRACO INC35 citations92
US5647543AJul 15, 1997
Electrostatic ionizing system
GRACO INC38 citations91
US5586045ADec 17, 1996
Method of calibrating a high resolution flowmeter and measuring volume flow
GRACO INC23 citations91
US5456583AOct 10, 1995
Liquid pump
GRACO INC27 citations91
US5375634ADec 27, 1994
Variable mass flow rate fluid dispensing control
GRACO INC62 citations91
US5364035ANov 15, 1994
High voltage sealing and isolation via dynamic seals
GRACO INC25 citations91
USD350387SSep 6, 1994
Electrostatic spray gun
GRACO INC25 citations91
US5292232AMar 8, 1994
Liquid pump pressure control system
GRACO INC42 citations91
US5240390AAug 31, 1993
Air valve actuator for reciprocable machine
GRACO INC53 citations91
US5117998AJun 2, 1992
Universal five gallon wiper plate assembly
GRACO INC26 citations91
US5076761ADec 31, 1991
Safety drive circuit for pump motor
GRACO INC118 citations91
US5063350ANov 5, 1991
Electrostatic spray gun voltage and current monitor
GRACO INC37 citations91
US4927081AMay 22, 1990
Rotary atomizer
GRACO INC76 citations91
US4921408AMay 1, 1990
Non-icing quiet air-operated pump
GRACO INC27 citations91
Showing the top 50 of 182 patents by PatentIndex Score.